| Common Names - . Ivorywood | Synonyms - . |
| Authority - . Griffith | Gymnosperm or Angiosperm? Angiosperm |
| Plant forms - Tree, Liane | Total Number of species - 7 |
| World Distribution - S.E. Asia, Malaysia, N.E. Australia | |
| Comments - Also listed in Siphonodontaceae. Provides timer used in rulers, turning, engraving, etc. | |
| 1 - Siphonodon australis 2 - Siphonodon celastrineus |